Ticker: IOSP CUSIP: 45768S105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 993 | $76 | $75.03 | $70.10 - $79.81 |
| Q3 2025 | 600 | $46 | $82.49 | $73.21 - $89.37 |
| Q2 2025 | 604 | $51 | $86.03 | $78.60 - $94.32 |
| Q1 2025 | 668 | $63 | $103.54 | $91.98 - $114.58 |
| Q4 2024 | 851 | $94 | $111.62 | $104.73 - $124.78 |
| Q3 2024 | 889 | $101 | $113.17 | $101.07 - $129.81 |
| Q2 2024 | 949 | $117 | $121.30 | $115.10 - $129.23 |
| Q1 2024 | 1,017 | $131 | $117.37 | $110.33 - $126.78 |
| Q4 2023 | 944 | $116 | $102.52 | $91.88 - $121.65 |
| Q3 2023 | 1,168 | $119 | $100.32 | $93.27 - $107.44 |
| Q2 2023 | 1,132 | $114 | $95.78 | $88.08 - $103.21 |
| Q1 2023 | 922 | $95 | $102.60 | $90.19 - $110.59 |
| Q4 2022 | 973 | $100 | $96.50 | $78.79 - $110.27 |
| Q3 2022 | 790 | $68 | $89.51 | $80.19 - $98.62 |
| Q2 2022 | 1,054 | $101 | $91.85 | $81.71 - $101.29 |
| Q1 2022 | 842 | $78 | $89.19 | $83.58 - $94.67 |
| Q4 2021 | 707 | $64 | $82.93 | $76.29 - $89.94 |
| Q3 2021 | 703 | $59 | $83.46 | $75.85 - $90.38 |
| Q2 2021 | 518 | $47 | $92.53 | $83.80 - $100.29 |
| Q1 2021 | 30 | $3 | $92.10 | $80.91 - $99.72 |
| Q4 2020 | 30 | $3 | $71.95 | $57.19 - $85.43 |
| Q3 2020 | 6 | $0 | $68.67 | $56.85 - $78.17 |
| Q1 2016 | 12 | $1 | $40.40 | $36.39 - $46.84 |
| Q4 2015 | 12 | $1 | $48.12 | $40.31 - $52.05 |
| Q3 2015 | 14 | $1 | $39.87 | $35.73 - $44.30 |
| Q3 2014 | 370 | $13 | $34.84 | $30.82 - $37.97 |